Machine for sewing and beating out seams



(No Model!) 28heets-Shet 1. I

E. B. ALLEN. MACHINE FOR SEWING AND BEATING OUT SEAMS.

Patented Mar. 31-, 1891 we "aim Isms co., mumm, wAsnmawmp. c.

(No Model.) 2 Sheets-Sheet 2.

E. B. ALLEN.

MACHINE FORSEWING AND BEATING OUT SEAMS.

Patented Mar. 31,1891.

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NITED STATES PATENT OFFICE.

EDIVARD B. ALLEN, OF PORTLAND, MAINE, ASSIGNOR TO THE SINGERMANUFACTURING COMPANY OF NEWV JERSEY.

MACHINE FOR SEWING AND BEATING OUT SEAMS..

SPECIFICATION forming part of Letters Patent No. 449,101, dated March31, 1891.

Application filed April 11, 1890. Renewed January 29, I891. Serial No.379,483- (No model.)

To all whom it may concern:

Be it known that I, EDWARD B. ALLEN, of Portland, county of Cumberland,State of Maine, have invented an Improvement in Machines for Sewing andBeating Out Seams, of which thefollowing description, in connection withthe accompanying drawings, is a specification, like letters and figureson the drawings representing like parts.

It is well understood in boot and shoe work that the seams are closedwith the faces of the material in contact, and that the seam isthereafter beaten or hammered, so that when the material is laid outfiat an objectionable ridge will not appear. This beating out of theseam, as it is called, has been done both by hand and by seam rubbing orbeating machines, upon which the leather properly stitched together isplaced.

The object of my invention is the production of a sewing-machine havinga hammen ing or beating-out device to hammer or beat out the seam justafter the leather or other material is stitched together.

My invention consists, therefore, essentially, in the combination, withstitch-forming mechanism, of a beating-out device consisting, as hereinshown, of a spring-acted hammer, substantially as will be described.

Figure 1 in side elevation represents a sewing-machine with myimprovements added thereto; Fig. 2, a view thereof below the irregulardotted line w 00. Fig. 3 is adetail showing some of the devices with twopieces of leather applied thereto as they will be in practice. Fig. atis a detail showing one end of the guide and part of the connectedmoistening device; Fig. 5, a detail showing the face of the anvil, whichalso serves as a separator; and Fig. 6, a face view of the cam employedto actuate the beating-out device.

The frame-work A, the rotating shaft A, having a hook A at its frontend, the presserbar A the presser-foot A the needle-bar A only the upperend of which is shown, the

eye-pointed needle a, (shown in section in Fig. 2,) and theneedle-bar-actuating arm A and the link A are common to the so-calledWillcox & Gibbssewing-machine, the said machine in practice having asuitable fourmotion feeding device to engage and move the material Bafter each stitch.

I have selected this well-known form of machine With which to illustratemy invention; but I desire it to be understood that instead of theparticular machine herein shown and the particular stitch-formingmechanism I may employ any other suitable well-known stitch-formingmechanism.

In embodying myinvention I have shaped the cloth-plate B substantiallyas shown in Fig. 2, and I have connected to the table or bed B, on whichthe sewing-machine stands, a bearing B in which I have secured the shank2 of an arm or horn O, to the forward end of which by a screw 3 I havesecured a plate 0', the part b of which forms an anvil, while thebroader part b forms a separator, the said anvil and separator standingbetween the two pieces of material B B, which are to be stitchedtogether near their edges, the faces of the two pieces of material beingturned together. Fig. 5 shows the face edge of this plate.

The cloth-plate B has applied to it a gage D, arranged at the front ofthe machine or between the needle-hole and the operator to gage theedges of the material to be stitched, and at the rear of the needle-holeand needle I have secured to the cloth-plate a suitable guide, as E,which is made adjustable by a suitable set-screw E. The forward end ofthis guide is recessed, as best shown in Fig. 4, to receive the edges ofthe material after the two thicknesses thereof have been stitchedtogether, and in order to assist in beating out the seam I have appliedto the machine moistening mechanism, herein represented as a cup G tocontain water or other fluid, a pipe G leading therefrom to the end ofthe said guide E, the said tube preferably being filled with a suitablewick, as represented at 5, so as to deliver the water ormoistening-fiuid slowly in contact with the edges to be beaten out.

The main or hook shaft of the machine is provided with a cam 19 to actupon a cross piece or block I), having a toe 8 and having a hole ornotch at one end to embrace and be guided by the said main or hookshaft, the

said block having secured to it by a set-screw 10 the shank of a hammeror heater d, surrounded by a suitable spring 12, which normally acts tokeep the toe 8 against the said cam, the cam having an abrupt shoulder13, off from which the toe will drop quickly once during each rotationof the cam, the hammer or beater being thrown forward quickly by thespring 12, which is compressed, while the hammer or beater is retracted.

It will be understood from the foregoing description that the materialwill have its edges stitched together, and at a short distance beyondthe needlehole the edges will be moistened and thereafter hammered orbeaten out, so that the united material will be taken from the machinewith its edges sewed together and beaten out ready to be laid out flatand not present an objectionable ridge outside the line of seam.

name to this specification in the presence of 35 two subscribingwitnesses.

EDWARD B. ALLEN. Witnesses:

BERNIGE J. NOYES, EMMA J. BENNETT.

